2K-Derocryl Lack 30 HSK

Two component high solid topcoat on acrylic resin basis, chemical cured with poly-isocyanate (polyurethane) As top coat for systems category C3-C4

General information
2K-Derocryl Lack 30 HSK

Field of application

  • Protection against corrosion for iron and steel and zinced surfaces
  • Two pack performance coating for specific use according dekopaint directive.

Product properties

  • High Solid
  • Resistance to light acids
  • Resistance to weak bases
  • Resistance to mineral oils
  • Scratch resistance
  • Good UV-stability
  • Good gloss stability

Technical Specification
2K-Derocryl Lack 30 HSK

Colours RAL5010, RAL-colour chart with exceptions, apart from RAL 9006/9007.
Other colours upon request.
Flash point >23 °C
Temperature stability -20 up to 120 (short-term up to 150) °C
Gloss Satin glossy, appr. 30 U in 60° angle
Potential dry film thickness in one working process 80 up to 100 µm
Mixing ratio Hardener HL 115 Hardener HL 401
(Basis:hardener) by weight 9:1 11:1
(Basis:hardener) by volume 6,5:1 7,2:1
Pot life in hours 4 2,5
Viscosity Appr. 25 sec running time (DIN 6 mm pot) Thixotrope
Density in kg/l 1,37 1,38
Solid content in % 72 74
Solid volume in % 57 59
Theoretical spreading capacity
  • 7,13 m²/l at 80 µm DFT
  • 5,2 m²/kg at 80 µm DFT
  • 7,38 m²/l at 80 µm DFT
  • 5,35 m²/kg at 80 µm DFT
Recommended film thickness 150 µm WFT corresponds to 90 µm DFT 150 µm WFT corresponds to 90 µm DFT
Drying (DIN EN ISO 1517) 80 µm DFT 80 µm DFT
Dust-dry (Tg1) After 60 min After 50 min
Touch-dry (Tg4) After 5 h After 5 h
Dry (Tg6) After 14 h After 14 h
Cured chemically After 7 days After 7 days
Accelerated drying 30 min. at 60°C possible, after 10 min. flash-off time 30 min. at 60°C possible, after 10 min. flash-off time
Interval for overcoating
  • after 6 h with itself
  • after 6 h with itself


  • The specifications are related to the prepared mixture and are based on standard atmospheric conditions 23/50, DIN 50014.
  • Lower temperatures and/or higher humidity will prolong drying and hardening.
  • Application below +5 °C is not possible.

Safety information
2K-Derocryl Lack 30 HSK

(See Security Data Sheet)

VOC-level Appr. 359 g/l
Solvent content Appr. 28 % by weight Appr. 26 % by weight
Aromatic content Appr. 21 % by weight

2K-Derocryl Lack 30 HSK


  • In dry, cool rooms, if possible frost-proof
  • Ensure good ventilation

Shelf life

  • 6 month from date of delivery when in unopened original containers in cool and dry conditions

Application methods
2K-Derocryl Lack 30 HSK

Mixing ratio

  • Stirr homogeneous, preferably with mechanical stirrer
  • Mix base paint and hardener according to the mixing ratio as specified

Airless spraying

  • Flow pressure 180 bar
  • Nozzle size 0,011 - 0,015 inch (0,28 - 0,38 mm)
  • Spraying angle according to the geometry and size of the object to be laquered

Compressed air spraying

  • Spraying pressure 2 bar
  • Nozzle size 1,3 - 2 mm
  • Adjust to spraying viscosity (appr. 30 s DIN 4 mm) adding appr. 10 % Derocryl-Verdünnung (two component products: after mixing)

Electrostatic application

  • Application is possible provided that the material is diluted
  • Conductance of the material: 700 kΩ


  • Can not be applied as delivered

Other methods

  • Roller and brush application for repair work is possible


  • Max. 10% Derocryl-Verdünnung


  • Rinse immediately with Derocryl-Verdünnung

Preparation of support

  • Shot blasting to a purity according to SA 2½
  • If necessary clean with high pressure-cleaner and turbo-cleaner-solution
  • Sweeping for zinced supports
  • Mill scale, welding residues, dust, soluble residues from chemical pretreatments and zinc reaction products which might reduce adhesion have to be carefully and thoroughly removed

General remarks

  • During coating and drying the humidity should be min. 30 % / max. 85 %
  • During coating and drying the environmental temperature should be min. 5°C / max. 30°C
  • Object temperature at least 3° C above dew point.

Example for a system

  • Primer coat: 2K-Deripox Protec ZP
  • Finish coat: 2K-Derocryl Lack 30 HSK

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Product Information

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The general information and descriptions contained in this specification are provided to the best of our knowledge. Our information and specifications do not constitute warranted characteristics in the legal sense. Any advice for preparation and application which may be provided verbally, in writing or by means of experiments is of general nature only, and any property rights of third parties are also to be regarded in this context. Our general instructions do not release you from your obligation to check the suitability of the products supplied by our company for the intended methods and purposes of application. Particular in those cases when our supplied material will be applied with products from other sources. The products are prepared, applied and used outside of our sphere of control and thus fall solely within the user´s scope of responsibility.
Our general terms of sale and delivery apply as agreed.

Quick access to product information.

Dr. Demuth Derisol Lackfarben GmbH & Co. KG

Hillerser Straße 8, 37154 Northeim
Telefon +49 5551 / 97940
Telefax +49 5551 / 979430

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